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Volume 22
Issue 3
10.3390/molecules22030426
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Article

Chroman-4-One Derivatives Targeting Pteridine Reductase 1 and Showing Anti-Parasitic Activity

by
Flavio Di Pisa
1,
Giacomo Landi
1,
Lucia Dello Iacono
1,
Cecilia Pozzi
1,
Chiara Borsari
2,
Stefania Ferrari
2,
Matteo Santucci
2,
Nuno Santarem
3,
Anabela Cordeiro-da-Silva
3,
Carolina B. Moraes
4,
Laura M. Alcantara
4,
Vanessa Fontana
4,
Lucio H. Freitas-Junior
4,5,
Sheraz Gul
6,
Maria Kuzikov
6,
Birte Behrens
6,
Ina Pöhner
7,
Rebecca C. Wade
7,8,9,
Maria Paola Costi
2,* and
Stefano Mangani
1,10,*
1
Department of Biotechnology, Chemistry and Pharmacy, University of Siena, 53100 Siena, Italy
2
Department of Life Sciences, University of Modena and Reggio Emilia, Via Campi 103, 41125 Modena, Italy
3
Institute for Molecular and Cell Biology, 4150-180 Porto, Portugal and Instituto de Investigação e Inovação em Saúde, Universidade do Porto and Institute for Molecular and Cell Biology, 4150-180 Porto, Portugal
4
Laboratório Nacional de Biociências (LNBio), Centro Nacional de Pesquisa em Energia e Materiais (CNPEM), Campinas SP13083-100, Brazil
5
GARDE, Instituto Butantan, São Paulo SP05503-900, Brazil
6
Fraunhofer Institute for Molecular Biology and Applied Ecology Screening Port, D-22525 Hamburg, Germany
7
Molecular and Cellular Modeling Group, Heidelberg Institute for Theoretical Studies, 69118 Heidelberg, Germany
8
Center for Molecular Biology (ZMBH), DKFZ-ZMBH Alliance, Heidelberg University, 69120 Heidelberg, Germany
9
Interdisciplinary Center for Scientific Computing (IWR), Heidelberg University, 69120 Heidelberg, Germany
10
Magnetic Resonance Center CERM, University of Florence, 50019 Sesto Fiorentino (FI), Italy
*
Authors to whom correspondence should be addressed.
Academic Editor: Thomas J. Schmidt
Molecules 2017, 22(3), 426; https://doi.org/10.3390/molecules22030426
Received: 7 February 2017 / Revised: 1 March 2017 / Accepted: 3 March 2017 / Published: 8 March 2017
(This article belongs to the Special Issue COST CM1307: Targeted Chemotherapy towards Diseases Caused by Endoparasites—Proceedings in Medicinal and Natural Product Chemistry)
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Abstract

Flavonoids have previously been identified as antiparasitic agents and pteridine reductase 1 (PTR1) inhibitors. Herein, we focus our attention on the chroman-4-one scaffold. Three chroman-4-one analogues (1–3) of previously published chromen-4-one derivatives were synthesized and biologically evaluated against parasitic enzymes (Trypanosoma brucei PTR1–TbPTR1 and Leishmania major–LmPTR1) and parasites (Trypanosoma brucei and Leishmania infantum). A crystal structure of TbPTR1 in complex with compound 1 and the first crystal structures of LmPTR1-flavanone complexes (compounds 1 and 3) were solved. The inhibitory activity of the chroman-4-one and chromen-4-one derivatives was explained by comparison of observed and predicted binding modes of the compounds. Compound 1 showed activity both against the targeted enzymes and the parasites with a selectivity index greater than 7 and a low toxicity. Our results provide a basis for further scaffold optimization and structure-based drug design aimed at the identification of potent anti-trypanosomatidic compounds targeting multiple PTR1 variants. View Full-Text
Keywords: pteridine reductase 1; Trypanosoma brucei; Leishmania spp.; chroman-4-one; chromen-4-one; crystallographic studies pteridine reductase 1; Trypanosoma brucei; Leishmania spp.; chroman-4-one; chromen-4-one; crystallographic studies
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MDPI and ACS Style

Di Pisa, F.; Landi, G.; Dello Iacono, L.; Pozzi, C.; Borsari, C.; Ferrari, S.; Santucci, M.; Santarem, N.; Cordeiro-da-Silva, A.; Moraes, C.B.; Alcantara, L.M.; Fontana, V.; Freitas-Junior, L.H.; Gul, S.; Kuzikov, M.; Behrens, B.; Pöhner, I.; Wade, R.C.; Costi, M.P.; Mangani, S. Chroman-4-One Derivatives Targeting Pteridine Reductase 1 and Showing Anti-Parasitic Activity. Molecules 2017, 22, 426. https://doi.org/10.3390/molecules22030426

AMA Style

Di Pisa F, Landi G, Dello Iacono L, Pozzi C, Borsari C, Ferrari S, Santucci M, Santarem N, Cordeiro-da-Silva A, Moraes CB, Alcantara LM, Fontana V, Freitas-Junior LH, Gul S, Kuzikov M, Behrens B, Pöhner I, Wade RC, Costi MP, Mangani S. Chroman-4-One Derivatives Targeting Pteridine Reductase 1 and Showing Anti-Parasitic Activity. Molecules. 2017; 22(3):426. https://doi.org/10.3390/molecules22030426

Chicago/Turabian Style

Di Pisa, Flavio, Giacomo Landi, Lucia Dello Iacono, Cecilia Pozzi, Chiara Borsari, Stefania Ferrari, Matteo Santucci, Nuno Santarem, Anabela Cordeiro-da-Silva, Carolina B. Moraes, Laura M. Alcantara, Vanessa Fontana, Lucio H. Freitas-Junior, Sheraz Gul, Maria Kuzikov, Birte Behrens, Ina Pöhner, Rebecca C. Wade, Maria P. Costi, and Stefano Mangani. 2017. "Chroman-4-One Derivatives Targeting Pteridine Reductase 1 and Showing Anti-Parasitic Activity" Molecules 22, no. 3: 426. https://doi.org/10.3390/molecules22030426

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